2010 Fiscal Year Final Research Report

A study on optimization of salting by estimation of sliding friction coefficient on road

Research Project

Project/Area Number	21710169
Research Category	Grant-in-Aid for Young Scientists (B)
Allocation Type	Single-year Grants
Research Field	Social systems engineering/Safety system
Research Institution	University of Fukui
Principal Investigator	FUJIMOTO Akihiro University of Fukui, 大学院・工学研究科, 研究機関研究員 (90456434)
Project Period (FY)	2009 – 2010
Keywords	安全システム / 冬期道路 / 路面凍結 / 凍結防止剤 / 熱移動 / 数値解析
Research Abstract	In this study, heat and moisture balance models was developed to predict the road surface temperature and snow and ice conditions on a road that is subject to the thermal effects of vehicles and salting (hereafter referred to as vehicle model and salting model). To evaluate the validity of the proposed models, we compared experimental results with calculated results. As a result, the road surface temperature under dry condition and the thickness and density of snow/ice layer on road calculated by the vehicle model were in good agreement with the measured ones. The road surface temperature and the salt concentration calculated by the salting model were in good agreement with measured ones for both freezing and melting processes. The proposed model made it possible to calculate the road surface temperature and the snow/ice conditions on the road taken into consideration the thermal effects of vehicles and salting.

(2 results)